Theresa May and Jeremy Corbyn have been on Sky News, with former Brexit Secretary Dominic Raab speaking to the BBC's Andrew Marr
Mrs May warns party rivals that replacing her won't make Brexit negotiations easier or "change the parliamentary arithmetic"
Labour leader Mr Corbyn says a further referendum is "an option for the future but not an option for today"
Publication of the draft withdrawal agreement led to the resignations of two senior ministers and several junior ministers and aides
"This is firmly in the national interest and is a deal that delivers on the promise of the referendum," says the PM.
"The decision protects jobs and the union.
"This is a decision that will come under intense scrutiny, but the decision was to build a future for our country or to go back to square one and fail on the promise of the referendum."
May outside Downing Street
Addressing the press, Theresa May says "the draft withdrawal agreement was the best that could have been negotiated."
"The collective decision of the cabinet was that the government should support the draft withdrawal agreement."
Theresa May steps up to the microphone.
The Daily Telegraph's political editor tweets:
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All eyes are trained on the black door of Number 10. Should be any minute now...
After five hours, the cabinet meeting has concluded, says Laura Kuenssberg, the BBC's political editor.
Prime Minister Theresa May is expected to make a statement shortly. The microphone outside Number 10 awaits.
Political editor of The Spectator tweets...
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Telegraph chief political correspondent tweets...
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Times deputy political editor tweets...
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Vince Cable tweets...
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DUP MP Sammy Wilson says "Westminster is full of rumours about the PM's future" and "her position must be very shaky at present." Theresa May, remember, relies on Northern Ireland's DUP to shore her up in the Commons.
Rumours that the prime minister's statement is imminent...
The BBC's Laura Kuenssberg says she understands there has not yet been an official decision by the ERG - the European Research Group of influential Brexiteers - to push the button on letters calling for a vote of no confidence to be sent.
But, she adds, levels of anger so high that some are doing it anyway - this might be the start of crashing into a leadership contest by accident. It's impossible to tell yet.
BBC journalist tweets...
We'll let Nick off for his typo, he's been in the cold for a long time...
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Bloomberg tweets...
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Sky's political editor tweets...
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The government has long sought a UK-wide customs arrangement as a way to avoid customs checks on both the Irish land border and along the Irish Sea.
However, Theresa May's plan was for this customs union to be temporary - a stop-gap measure to avoid a hard border in Northern Ireland.
However, now it is believed that a UK-wide customs union is to be implemented straight after Brexit.
This means it would have to be decided whether or not the UK can seek, sign and implement its own trade deals, or whether it will still make use of the free trade agreements the EU currently has with third countries.
Ardent Brexiteers may argue that a UK-wide customs union that is implemented immediately after Brexit does not amount to the UK taking back control of its trade laws.
BBC Radio 5Live tweets...
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Guardian deputy political editor tweets....
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BBC political editor tweets...
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Laura adds that "there are lots of Tories who just want this over with and who want to back the PM to get Brexit out of the way."
"But they might not be able to restrain their colleagues who want her out of the way instead."